diff --git a/clang-tools-extra/clangd/unittests/ClangdLSPServerTests.cpp b/clang-tools-extra/clangd/unittests/ClangdLSPServerTests.cpp
index 15d4be8dd9ba9..1f58e2c3cb547 100644
--- a/clang-tools-extra/clangd/unittests/ClangdLSPServerTests.cpp
+++ b/clang-tools-extra/clangd/unittests/ClangdLSPServerTests.cpp
@@ -44,7 +44,6 @@
 namespace clang {
 namespace clangd {
 namespace {
-using llvm::Succeeded;
 using testing::ElementsAre;
 
 MATCHER_P(diagMessage, M, "") {
diff --git a/clang-tools-extra/clangd/unittests/HeadersTests.cpp b/clang-tools-extra/clangd/unittests/HeadersTests.cpp
index 3a9576ff74e41..dc6adaee11257 100644
--- a/clang-tools-extra/clangd/unittests/HeadersTests.cpp
+++ b/clang-tools-extra/clangd/unittests/HeadersTests.cpp
@@ -33,7 +33,6 @@ namespace {
 using ::testing::AllOf;
 using ::testing::Contains;
 using ::testing::ElementsAre;
-using ::testing::Eq;
 using ::testing::IsEmpty;
 using ::testing::Not;
 using ::testing::UnorderedElementsAre;
diff --git a/clang-tools-extra/clangd/unittests/ParsedASTTests.cpp b/clang-tools-extra/clangd/unittests/ParsedASTTests.cpp
index ec8132645f81f..c850d6ed2c0dc 100644
--- a/clang-tools-extra/clangd/unittests/ParsedASTTests.cpp
+++ b/clang-tools-extra/clangd/unittests/ParsedASTTests.cpp
@@ -47,7 +47,6 @@ using ::testing::Contains;
 using ::testing::ElementsAre;
 using ::testing::ElementsAreArray;
 using ::testing::IsEmpty;
-using ::testing::UnorderedElementsAreArray;
 
 MATCHER_P(declNamed, Name, "") {
   if (NamedDecl *ND = dyn_cast<NamedDecl>(arg))
diff --git a/clang-tools-extra/clangd/unittests/PreambleTests.cpp b/clang-tools-extra/clangd/unittests/PreambleTests.cpp
index 3e9ed53043764..6420516e78557 100644
--- a/clang-tools-extra/clangd/unittests/PreambleTests.cpp
+++ b/clang-tools-extra/clangd/unittests/PreambleTests.cpp
@@ -43,14 +43,10 @@
 using testing::AllOf;
 using testing::Contains;
 using testing::ElementsAre;
-using testing::ElementsAreArray;
-using testing::Eq;
 using testing::Field;
-using testing::HasSubstr;
 using testing::IsEmpty;
 using testing::Matcher;
 using testing::MatchesRegex;
-using testing::Not;
 using testing::UnorderedElementsAre;
 using testing::UnorderedElementsAreArray;
 
diff --git a/clang-tools-extra/clangd/unittests/TUSchedulerTests.cpp b/clang-tools-extra/clangd/unittests/TUSchedulerTests.cpp
index 4f028f2cbe5a1..43f38e39c8952 100644
--- a/clang-tools-extra/clangd/unittests/TUSchedulerTests.cpp
+++ b/clang-tools-extra/clangd/unittests/TUSchedulerTests.cpp
@@ -49,7 +49,6 @@ namespace clang {
 namespace clangd {
 namespace {
 
-using ::testing::_;
 using ::testing::AllOf;
 using ::testing::AnyOf;
 using ::testing::Contains;
diff --git a/clang-tools-extra/clangd/unittests/tweaks/DefineOutlineTests.cpp b/clang-tools-extra/clangd/unittests/tweaks/DefineOutlineTests.cpp
index 576377a658678..d1e60b070f20e 100644
--- a/clang-tools-extra/clangd/unittests/tweaks/DefineOutlineTests.cpp
+++ b/clang-tools-extra/clangd/unittests/tweaks/DefineOutlineTests.cpp
@@ -11,8 +11,6 @@
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 
-using ::testing::ElementsAre;
-
 namespace clang {
 namespace clangd {
 namespace {
diff --git a/clang-tools-extra/clangd/unittests/tweaks/DumpSymbolTests.cpp b/clang-tools-extra/clangd/unittests/tweaks/DumpSymbolTests.cpp
index 649eb3d046310..047b21abc304b 100644
--- a/clang-tools-extra/clangd/unittests/tweaks/DumpSymbolTests.cpp
+++ b/clang-tools-extra/clangd/unittests/tweaks/DumpSymbolTests.cpp
@@ -12,7 +12,6 @@
 #include <string>
 
 using ::testing::AllOf;
-using ::testing::HasSubstr;
 using ::testing::StartsWith;
 
 namespace clang {